'Ender's Game' Leads Box Office

A big-screen version of the science-fiction classic "Ender's Game" topped the box office on a weekend in which a trio of new releases floated between flop and hit status.

With an estimated $28 million in ticket sales in the U.S. and Canada, "Ender's Game" did well enough to avoid being an immediate disappointment but didn't come close to the releases of literary adaptations including "The Hunger Games"...